package com.community.util;

import java.util.Arrays;
import java.util.List;

public class Constants {
    public static final Integer ADMIN_USER_ID = -1;


    public static void main(String[] args) {
        List<Integer> ss = Arrays.asList(1,2,3,4,-9);
        ss.sort((u1,u2)->u1.compareTo(u2));
        System.out.println(ss);
    }


}
